Overlay for cathode ray tube display
First Claim
1. An overlay for the display face of a CRT comprising:
- (a) An overlay panel conforming in contour to the CRT display face, and disposed in laminal, spaced relation to the display face;
(b) Transparent, rigid, substantially spherical particles of a predetermined size interposed between said overlay panel and the CRT display face such that a substantially uniform gap is maintained between them; and
(c) Means for securing the edges of said overlay panel to the CRT display face.
3 Assignments
0 Petitions
Accused Products
Abstract
The disclosed CRT overlay, which is mounted to the display face of a CRT, comprises an overlay panel (typically a non-glare optical filter) mounted at its edges to the CRT display face and a layer of transparent glass beads interposed between the overlay panel and the CRT display face. The glass beads maintain a thin (in the range of 0.005 inches or less) gap between the overlay panel and the display face, such that display clarity is substantially unaffected by the mounting of the overlay panel. The use of the glass beads enables the overlay panel to be mounted without a relatively expensive bonding process, while at the same time avoiding the display clarity degredation associated with currently employed air-gap mounting techniques.
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Citations
6 Claims
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1. An overlay for the display face of a CRT comprising:
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(a) An overlay panel conforming in contour to the CRT display face, and disposed in laminal, spaced relation to the display face; (b) Transparent, rigid, substantially spherical particles of a predetermined size interposed between said overlay panel and the CRT display face such that a substantially uniform gap is maintained between them; and (c) Means for securing the edges of said overlay panel to the CRT display face. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification